/*
 * $Author: cbeams $
 * $Date: 2007-06-04 19:47:27 +0000 (Mon, 04 Jun 2007) $
 * $Rev: 26 $
 */
package com.db4o.eclipse.plugin;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.ui.plugin.AbstractUIPlugin;

import org.osgi.framework.BundleContext;


/** The activator class controls the plug-in life cycle */
public class Db4oPlugin extends AbstractUIPlugin {

    // The plug-in ID
    public static final String PLUGIN_ID = "com.db4o.eclipse.plugin";

    // The shared instance
    private static Db4oPlugin plugin;

    /** The constructor */
    public Db4oPlugin() {}

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
     */
    @Override
    public void start(BundleContext context) throws Exception {
        super.start(context);
        plugin = this;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
     */
    @Override
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        super.stop(context);
    }

    /**
     * Returns the shared instance
     *
     * @return  the shared instance
     */
    public static Db4oPlugin getDefault() {
        return plugin;
    }

    /**
     * Returns an image descriptor for the image file at the given plug-in relative path
     *
     * @param   path  the path
     *
     * @return  the image descriptor
     */
    public static ImageDescriptor getImageDescriptor(String path) {
        return imageDescriptorFromPlugin(PLUGIN_ID, path);
    }
}
